Vol. 2-4 have imprint: Bruxelles, Société belge de librairie, O. Schepens et cie, éditeurs
"Supplément": v. 4, p. -576
This is a bound photocopy of an original text. Due to the copying process, pages are skewed, off center, all pictures are light in appearance and page one of the table of contents was photocopied twice.